Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 36/13.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 36.07 (916.08) | 0.59 (15.08) 1.7% |
| Width inches (mm) | 12.8 (325) | 13.5 (343) | 0.71 (18) 5.5% |
| Circum. inches (mm) | 111.44 (2830.57) | 113.31 (2877.95) | 1.87 (47.38) 1.7% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.53 (267.54) | 0.3 (7.54) 2.9% |
| Revolutions per mile (km) | 568.56 (353.28) | 559.2 (347.47) | -9.36 (-5.82) -1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.5 mph (49.09 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.27 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.45 km/h) |
| 45 mph (72.42 km/h) | 45.75 mph (73.63 km/h) |
| 50 mph (80.47 km/h) | 50.84 mph (81.81 km/h) |
| 55 mph (88.51 km/h) | 55.92 mph (90 km/h) |
| 60 mph (96.56 km/h) | 61 mph (98.18 km/h) |
| 65 mph (104.61 km/h) | 66.09 mph (106.36 km/h) |
| 70 mph (112.65 km/h) | 71.17 mph (114.54 km/h) |
| 75 mph (120.7 km/h) | 76.26 mph (122.72 km/h) |
| 80 mph (128.75 km/h) | 81.34 mph (130.9 km/h) |
| 85 mph (136.79 km/h) | 86.42 mph (139.08 km/h) |
| 90 mph (144.84 km/h) | 91.51 mph (147.27 km/h) |
| 95 mph (152.89 km/h) | 96.59 mph (155.45 km/h) |
| 100 mph (160.93 km/h) | 101.67 mph (163.63 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1859 | 1944 | 2004 | 2071 | 2150 | 2259 | 2368 | 2489 | 2586 | 2761 | 2955 | 3106 | 3203 | 3258 | 3458 | 3736 | 4342 |
Better Fuel Economy Factory Ratios Increased Power
